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I'm trying to install Ubuntu 20.04 alongside Windows 10 on my Acer computer. While trying to install Ubuntu, I was prompted with a warning about Intel's RST needing to be turned off. Following Choice #2 in heynnema's answer, I learned that I should:

(run in command prompt) bcdedit /set {current} safeboot minimal

(in BIOS) Change the SATA Operation mode to AHCI from either IDE or RAID

Before trying anything, I played a little bit with the BIOS to see how that could be done. Had to do some research and found this answer, which suggests:

a) access windows and then press windows + r and type msconfig. Then, go to system boot and activate safe boot. Then restart windows;

b) then access the BIOS, go to the main tab, press ctrl + s and change the sata mode to ahci.

That works, the option to change to AHCI is there. I haven't tried it yet because I was wondering if the bcdedit command proposed by heynnema does the same as following a) and activating safe boot through msconfig.

I thought doing both - in case they're similar commands - could cause me problems.

kiabbo
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    They do the same thing. – heynnema Aug 19 '20 at 18:23
  • Thanks. (1) Am I right to assume that after changing SATA to AHCI and booting in secure mode, if I go to msconfig and deactivate safe boot is the equivalent to running bcdedit /deletevalue {current} safeboot? (2) Should I expect Windows to work normally after this process to get RST turned off? – kiabbo Aug 19 '20 at 19:52
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  • Should be... but I wouldn't recommend deviating from the written procedure too much. And you want to turn off FAST BOOT and HIBERNATION in Windows, and SECURE BOOT in your BIOS. 2) Yes.
    • – heynnema Aug 19 '20 at 20:17